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CVE-2026-21855

CRITICAL CVSS: 9.3 Published: 2026-01-07 Modified: 2026-06-17

Description

The Tarkov Data Manager is a tool to manage the Tarkov item data. Prior to 02 January 2025, a reflected Cross Site Scripting (XSS) vulnerability in the toast notification system allows any attacker to execute arbitrary JavaScript in the context of a victim's browser session by crafting a malicious URL. A series of fix commits on 02 January 2025 fixed this and other vulnerabilities.

Affected Platforms

Tarkov Tarkov Data Manager

Weakness Type

CWE-79

References